>> reporter: ann romney got to colorado before her. >> we have a debate coming up. we're excited about that. we're focused. >> reporter: family members' nerves are on edge, as josh romney confided to diane in august. >> i hate the debates. trying to sit there and be cool and keep a smile on your face. inside you want to fall down. >> reporter: four years ago, michelle obama would get so nervous during the debates she didn't like to watch them. she'll be there tomorrow in the debate hall. we turn to david muir who is there. david? >> reporter: hey, jake. i'll see you right here in the debate hall tomorrow night. tonight, here are some key decisions made moments ago. a coin toss between the campaigns determining that president obama will be introduced first and will have the first question. governor romney will get the final argument. there was even a toss about which of the wives will be introduced first. ann romney will be introduced first. i want to show the debate stage. both podiums. both candidates will stand with one another. that's why the romney team is conce